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dmaengine: dw-edma: Add HDMA NATIVE map check

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The HDMA IP supports the HDMA_NATIVE map format as part of Vendor-Specific
Extended Capability. Added the check for HDMA_NATIVE map format.
The check for map format enables the IP specific function invocation
during the DMA ops.

Signed-off-by: Devendra K Verma <devverma@amd.com>
Link: https://lore.kernel.org/r/20250513070314.577823-1-devverma@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Devendra K Verma 2025-05-13 12:33:14 +05:30 • committed by Vinod Koul
parent d175222f5e
commit d7130902ab
1 changed files with 4 additions and 1 deletions
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5
drivers/dma/dw-edma/dw-edma-pcie.c
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@ -136,7 +136,8 @@ static void dw_edma_pcie_get_vsec_dma_data(struct pci_dev *pdev,
map = FIELD_GET(DW_PCIE_VSEC_DMA_MAP, val);
if (map != EDMA_MF_EDMA_LEGACY &&
map != EDMA_MF_EDMA_UNROLL &&
map != EDMA_MF_HDMA_COMPAT)
map != EDMA_MF_HDMA_COMPAT &&
map != EDMA_MF_HDMA_NATIVE)
return;
pdata->mf = map;
@ -291,6 +292,8 @@ static int dw_edma_pcie_probe(struct pci_dev *pdev,
pci_dbg(pdev, "Version:\teDMA Unroll (0x%x)\n", chip->mf);
else if (chip->mf == EDMA_MF_HDMA_COMPAT)
pci_dbg(pdev, "Version:\tHDMA Compatible (0x%x)\n", chip->mf);
else if (chip->mf == EDMA_MF_HDMA_NATIVE)
pci_dbg(pdev, "Version:\tHDMA Native (0x%x)\n", chip->mf);
else
pci_dbg(pdev, "Version:\tUnknown (0x%x)\n", chip->mf);